import random
def generateAuthData():
    chars = '+-*!&$#?=@<>abcdefghijklnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
    length_pas = random.randint(12,24)
    password = ''
    for i in range(length_pas):
        password += random.choice(chars)
    username = ""
    lenght_uname = random.randint(5,20)
    for i in range(lenght_uname):
        username += random.choice(chars)
    return f"{username},{password}"

out = generateAuthData()
with open("authdata","w+") as file:
    file.write(out)
print("FTP AuthData has been generated and writed to file 'authdata'")